error 81
error<br>Unknown column 'a.preiskategorie_all_minprice' in 'order clause'
query<br><pre>SELECT * FROM asr_shadow_angebote as a  WHERE zielgebiet_uid in('12') AND reederei_uid in('4') AND routenzeitraum_dauer_tage   BETWEEN 6 AND 9 AND (a.quelle='asr' 
                         )
                      AND a.preiskategorie_minprice > 0 
                     AND a.routenzeitraum_startdate > '1780686334'
                   GROUP BY a.angebot_uid ORDER BY min((a.preiskategorie_all_minprice)) asc LIMIT 3</pre>
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